/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.extensions.euphoria.core.client.io;



import com.bff.gaia.unified.sdk.extensions.euphoria.core.annotation.audience.Audience;



/**

 * Extends {@link Environment} with write capability. Used in user defined functors.

 *

 * @param <T> the type of elements collected through this context

 */

@Audience(Audience.Type.CLIENT)

public interface Collector<T> extends Environment {



  /**

   * Collects the given element to the output of this context.

   *

   * @param elem the element to collect

   */

  void collect(T elem);



  /**

   * Returns {@link Context} view of the collector. Since {@link Collector} usually share the same

   * methods as {@link Context} it can be safely cast.

   *

   * @return this instance as a context class

   */

  Context asContext();

}